Occurrence of Ptychodus mammillaris (Elasmobranchii) in the Fairport Chalk Member of the Carlile Shale (Upper Cretaceous) of Ellis County, Kansas. From: Transactions of the Kansas Academy of Science | Date: September 22, 2004| Author: Darnell, Michelle K.; Everhart, Michael J. | COPYRIGHT 2004 Kansas Academy of Science. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group.Copyright information

Although more vertebrate species have been reported from the Fairport Chalk Member (Middle Turonian) than from the overlying Blue Hill Shale and Codell Sandstone members (upper Middle Turonian) of the Carlile Shale in Kansas, the number is relatively small compared to that from the deeper water fauna of the Smoky Hill Chalk Member (Upper Coniacian to Lower Campanian) of the Niobrara Chalk. Ptychodontids are poorly represented in the Fairport Chalk, both in number of specimens and s...

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